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Very bad things, depending on how much they're overfed. If you accidentally dump in a serving that's roughly 3-5x more than what you normally give them, they can become constipated for a few days. Tank might get more cloudy than normal, but it rarely kills the fish. Dumping in the equivalent of a week's worth of food or more should probably be enough to warrant a water change and/or filter cartridge replacement.
Generally, overfeeding on occasion by accident isn't particularly dangerous. It does much more harm to fish when they are constantly overfed over long periods of time. Apart from reduced water quality, fish can become bloated and sometimes develop swim bladder problems which can easily finish them off if overfed constantly.
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∙ 11y ago
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Why is your female goldfish eating a lot?
Goldfish will eat themselves to death. They never get the feeling of being "full", do not over feed your goldfish just a pinch a day is all it needs.
What should you feed your goldfish other than goldfish flakes but full of fiber?
you can feed them peas or zucchini
Can goldfish eat soup?
You should not feed goldfish soup.
How many times to feed goldfishes a week?
goldfish, too. I usually feed them everyday. And they've been living for over 15 years!
How does your goldfish act when you give it food?
When I feed my goldfish they act excited.
What goldfish grow big?
feed them lead feed them lead feed them lead
What flake do you feed a minnow?
I feed mine goldfish flakes
Can you feed your goldfish earthworms?
umm... no
What you feed freshwater minnows?
I feed mine goldfish flakes and they eat it.
Do you feed a goldfish in the morning or the afternoon?
it really doesnt matter as long as you try to feed the goldfish around the same time every day.
Can you feed a goldfish bred?
Maybe or maybe not...
What can you feed baby goldfish?
kittens c:
